Operating table



"Feb, 13, 1923. C. A. CLARK.

OPERATING TABLE.

3 SHEETS-SHEET 2.

FILED FEB.20,1922.

Witwe@ Feb. 1.3, 1923.

C. A. CLARK.

OPERATING TABLE.

FILED FEB. 20, 1922.

wit/was.

Patented lireh. lB, i923,

entren confins A. CLARK, or contraen corinne, ofi-rio.

ornnerine rents.

Application filed February 20, 1922. Serial No. 537,951;

To @ZZ whom. t 77mg/ concern Be it known that Il CURTIS A. CLARK,- .a citizen of the United States, residing at College. Corner, in 4the countv7 ot Preble and 5 State of Ohio, have invented certain new and use'lful` improvements in Gperating rllaloles; `and l do `declare the following to he full, clear7 and exact description of the inventiorn such as will enable others skilled loin the art to which it appertains to make and use the same.

rllhis invention relates to an improved operating table for use when operating upon pigs, dogs and other animals where it is deAA si l to have the animal held upon its Vhack so that the animal will he held in a convenient position to permit necessary operations to he performed ln vaccinating hogs or in perror-ming operations such as removing tumors, it has been found convenient to have the animal placed upon its hach and held in this position so that the animal cannot move while the ope lation is being performed. ihis improved operating table includes a support' lil-anic which will he supported in :i suhsn Liallj,7 vertical fiosition, clamping meins carried hv the traine tor gripping the les ot `the animal, and a swinging liar which is hinge/dij,v mounted 'at its lower end 30. Ytor vertical swinging movement into and out ot' position between the side clamps, and head-holding means carried hv the lower end portion oi this har ttor receiving and holding the head ot the animal. '.lhis headholding means is so constructed that when the har is swung downwardly, the head ot' an animal standing upon the ground inav he thrust into the head-holder or hood and when thrust into the hood will engage a prop which serves to hold the movable gripping wall in an inoperative position. lVhen the head engages this prop, it moves it to remove and permit the wall to he moved to engage the throat and under portion oiI the head and thus firmly hold the head in the hood. .lt is further desired to have thenprop Anfovided with a handle or lever extension `which will extend for engagement with the chest portion of the animal. Therefore. ritter `ne animal has been operated upon and the liar swung downwardly so that the anirial inaj. he ref-turned to the ground in a standing position7 the chest portion of the anin ma;7 engage the lever or handle ere tension when the animal is swung downwardljv to the standing position and thus cause the prop tolhe moved tonswing the movable wall to an inoperativel position or in other words toa position which will refV lease the head ofthe -aninialand permit of the animal readil7 withdrawing its head trom the hood. i. j

Another object of the invention is to so construct the head-holding `device that the movable jaw may` he limited in its swinging movement by side arms which extend through slots formed in the side portions of the hood for engagementQ llojy springs which serve to normally hold this movable Vvall inn head-gripping position, l 4 u Another object of the invention isY to pro; vide means upon the'upperend portion ojt the :trarne for engaging the runlp portion of an animal held upon its hack between the side clamps and prevent the animal from having, movement transversel)7 of the trame;

Another object of the invention is to lprovide a table so constructed that the headholding device ma'v be moved longitudinal]\7 upon the har carrying the same and thus the de :ce permittedlto he adjusted 4to acmnunodate itself to the size of animal to he operated upon. Y

Alnother object of theI invention is to provide an operating table havingside clamps which are slidahly mounted in an improved manner upon hars which serve not onli7 as ine'ans tor slidably mounting the side clamns but also serving as supports `for the ing har which carries the head-holder.

Another ohjeot oft the inventionis to provide a table ot the character described which may have the frame supported in a manner similar to an easel;`

Another object of the invention is to provide a table of the character described which will lie light in weight and'easy to handle and so constructed that it will be strong and durable and not liable to easily get out ot order.

flhis invention is illustrated in the accompanying drawings, wherein: 1

Figure l is a. view showing the improved table in section along the line 2 9, ot' Fig. 2 and in position for use.

Figure 2 is a view showing the improved tahle in front elevation. l

Figure 3 is a longitudinal sectional view through the improved table in position for use.

'operated upon.

Figure 4 is a view similarl to Fig. 3 with the bar which carries the head-holder swung` away from the frame and the movable wall of the hood swung to an inoperative position and held in this inoperative position by the improved prop.

Figure 5 is a sectional view taken along the line 55 of Fig. 4.

Figure 6 is a sectional v'lew talrenalong the line 6--6 of Fig. 4.

This improved operating table is provided with a trame having side bars 1, an upper bar 2 and a lower cross bar 3. The side bars and upper and lower cross bars are formed of angle 'iron in the form shown but it is olf course understood that they may be formed of strps ot wood irn so desired. Supporting legs 4 are hingedly connected with the-upper cross strip or bar 2 as shown at 5 and braces 6 are provided between the supporting legs and side bars 1 to prevent the supporting legs from swinging rearwardly from the frame beyond a desired amount. These braces are similar to those used in connection with step-ladders, easels and other similar devices. Carrer bars 7 extend transversely of the Yiframe in spaced relation as shown in Fig. 2 and have their end portions provided with enlarged heads 8 through which fasteners will pass to securely anchor the carrier bars 7 to the side bars 1 of the frame. These carrier bars are bent as shown at 9 thus providing depressed seats to receive a swnging bar 10 which has its lower end portion hingedly connected with the lower cross bar 3 as shown at 11. lt will thus be seen that this swinging bar 10 may have swinging movement in a vertical direction. In order to releasably secure the swinging bar in the position shown in Figs. 1, 2 and 3, the swinging bar has been provided with a latch 12 which is pivotally connected with its upper end as shown in Fig. 1 and is intended to engage the upper cross bar 2. It will thus be seen that this swinging bar may be secured in the position shown in Figs. 1, 2 and 3 but may be released so that it may be swung downwardly toward the ground as shown in Fig. 4.

The pig or other animal which is to be operated -upon is to have its head held while being placed upon the table and while being There has therefore been provided a hood 13 which is tapered and substantially triangular in shape as shown in Figs. 1 and 2. This hood is provided with flaring side walls which are provided with elongated slots 14 through which extend tongues 15 which extend transversely from a movable wall or gripping element 16 positioned in the hood and having its lower end portion pivotally connected with the lower end portion of the hood by means of bolts or other similar fasteners 17 which serve not only as means to connect the wall with the hood but also serve as means to pivotally mount the wall or clamping element. This clamping element is channelshaped so that it will be provided with side walls or flanges to extend upon opposite sides ot but not necessarily in contact with the side portions ot the animals tace. Springs 18 are connected with eyes 19 at the outer ends of the tongues 15 and these springs are connected with eyes 2O carried by outwardly extending side arms 21 of a U-shaped yoke 22 which is secured transversely upon the hood and extends upon opposite sides of the swinging bar 10. This hood is to be carried by the swinging arm and to be adjustable longitudinally upon the arm. i In order to slidably connect the lower end portion ofthe hood with the swinging arm, there has been provided a bracket 23 having a slot formed therein to lreceive the swinging arm. A. tongue 24 issecured to the upper end portion of this hood and extends longitudinally from the same. Side arms 25 extend from the tongue 24 upon opposite sides of the swinging bar 10 and carry a. pin 26 upon which will be mounted a cam latch 27. From an inspection oi Fig. 3., it will be readily seen that when the latch 27 is swung to the operative'position shown in this figure, it will grip the bar 10 and serve to securely but releasably lock the hood in the desired position. 1When it is desired to move the hood along the bar so that the hood will be in the proper position, it is smply necessary to swing the latch upon its pivot 26 through the mediumpot the actuating handle 2S thus moving it out of gripping contact with the bar 10 and permitting the hood to be moved.

In order to hold the movable wall or gripping element 16 in au inoperative position, there has been provided a prop 28 which extends into the space between the movable wall and hood. This prop is in thev form ot a device having inner and outer end portions, the inner end portion of which constitutes the prop and the outer end portion 29 ot which constitutes a handle. This handle 29 is to engage the chest portion ot' the animal when the animal is swung oil oit the table as will be hereinafter brought out. Between the inner and outer end portions of the prop, there have been provided hinged ears 30 so that the prop may be pivotally mounted by means of a pivot pin 31 carried by hinged ears 32 of the walls 16., This prop is provided at its inner end with bearings so that a roller 34 may be rotatably' mounted at the inner end ot the prop tb engage the inner tace oli' the hood and thus permit the prop to be easily swung inte and out ot' an operative position. A latch is pivotally mounted in the hood and extends outwardly through a slot 36 formed in the clamping wall and has its outer end engaged by a spring 37 so that it will be yieldably held in position to engage the clamping wall and retain it in an open position as shown in Figure 4f.

llfhen the animal has had its head engaged by the head-heiding means and has been swungv upwardly to rest with its back against the swinging bar l0 and the swingingI bar is secured in the position shown in Figures l, 2 and 3, the sides ot the animal are to be gripped thus permitting the animal. to be lirmly held. The side clamps are oil 'a duplicate construction and each is provided with standards 38 which are provided at their lower ends with hearings 39 slida-bly mounted upon the carrier bars 7. Longitudinally extending` strips Ll0 are secured to these standards and have their end portions eX- tending beyond the standards and curved as shown in Fig'. 2 so that there will be no danger 'of the ends of these bars' cutting into the sides ot the animal when the side clamps are in grippingengagement with the sides of the animal. Springs 4l are provided upon the carrier bars 7 and engage the bearings 39 to lyieldably ret-ain the side clamps in a gripping' position. lt will thus be seen that when the animal and swinging bar l0 are swung upwardly from the ground to the position shown in Figs. l and 3, the animals body may pass between the side clamps and the springs will hold the side clamps in firm engagement with the sides of the animal. ln some cases, it is also desired to ha ve the romp portion ot' the animal engaged so that this portion oi the animal which extends beyond the side clamps may be held against transverse movement. rl`here`liore, there may be provided a holding' device which is substantially lil-shaped and provided with a cross head el@ secured upon the upper cross bar 2 and extending); upon opposite sides of the swinging bar l0. This lll-shaped holder has its arms 4? extending' upon opposite sides ot the bar l0 so that its end portions which are flared as shown at la may engage the rump portion or' the animal and thus hold this portion or' the animal against transverse movement. lt will thus be seen that with this device, the animal will he securely held and cannot move while the operation is being performed.

lWhen this nevi/ce in use. the hog which to he operated upon led np to a position in iront oit the table. l e swinging; bar l() is left in the position shown in Figures l and 3 but the prop is swung' to the position shown in el so that the movable, wall or head-clampinnr element will be held in the inoperative position by the latch 35. @ne man holds the animal b v the iront legs and another holds the rear legs. The head of the animal is then thrust into the hood and as the head ent the hood, it engages the prop and swings it inwardly 'lilith its head held in the hood, the .front can be released "nd "he operator who holds the rear lepjs 'the animal will torce the body ot the animal betnf'een the side clamps so that the body will be lirmly held and the ramp portion will be engaged by the holder at the upper end of the frame. lt will thns be seen that the animal will be held in the position shown in Figs. l and 3 so that it can be readily operated upon. lt it is #found that the head-holder has not been set at the proper point with respect to tie side clamps to accommodate these parts to the size'ot the animal, the headholder can be adjusted longitudinally upon the bar l0 to the proper position and then again secured. Alfter the necessary operation has been performed, the latch 'l2 is released and the hind legs of the animal will be released and the animal and bar l() swunggj downwardly. is the bar swings downwardly, the animal will move out of engagement with the side clamps and when the bar has swung' downwardly a sullicient extent, the animal may be swunpl down so that its feet will rest upon the the bodj.7 ol" 'the animal swings away from the bar to bring; its Yfeet upon the ground, the chest of the animal will engage the handle or lever exeiniiii'in and the prop will he :namingl to elect the head ol' the animal from the hooi. and at the same time swing' the movable wall or head-clan1p lo to the inoperative pos tion. @he bar will he swung' back into the raised position and the device will then be in position to permit ot another animal thrustingl its head into the hood. lt should be noted that when the animal is in place upon the table, the weight oli the animal will retain the head in the hood. so that it canori: pmfsibly worl: its head out of the hood. There has thus een provided an (nier-ating table which will he very ellicient in use and which V-an be very easily made use or.

l claim:

l. Ein animal holder Comprising' a Arame, bar extendin?,Y loinritudinally ot he Ytraine and hine'edlv mounted at its lower end lor vertical swingg'i y, movement. head holding; means carried by the har lor receivingv the head olI the animal with the lar extending alone' the hai-l1; ot the animal. and clamping means carried by the frame upon opposite sides oi? the bar lor gripging` the sides ol" an animal when the bar is in an upright position with the animal in an inverted posiu tion with its head held by the head-holding means and its back against the bar.

2. The structure of claim l. and means carried by the trame above the side clampgronnd. As

ing means for engagingthe ruinp portion of the animal and holding the same against side movement.

3. An animal holder comprising a frame, a bar extending longitudinally of the 'frame and hingedly mounted at its lowei end ifor vertical swinging movement, clamping means carried by the frame upon opposite 'sides of said bar, `and head-holding means carried by the bar below the side clamps and adjustable longitudinally upon the bar. 4. in animal holder comprisiiiga traine including body holding means and `headliolding means comprising a hood portion for enga-ging the 'top and side portions ot the head oi an animal and a wall for e.\' tending beneath the throat portion vo'i an animal movably connected with said hood and yieldably held in position to clamp the throat portion `oi: the head ot an animal thrust into the hood.

5. An animal holder comprising a 'frame including a longitudinally extending bar and head-holdin@` means comprising a hood portion carried by said bar and having a top and side walls, a lower wall pivotally connected with the hood at one end, resilientmeans yieldably holding the movable wall in a 'clamping position toi' engaging the throat portion ofthe head et an animal and retaining the head in the hood.

6. The structure of claim 5 having the lower wall provided with side arms adjacent its free en d and a yoke extending from the hood, the resilient means for holding the movable wall in a clamping position being); connected with the yoke and side arms.

7. An animal holder comprising a 'iframe including a longitudinally extending bar and head-holding means comprising a hood portion carried by said bar, a lower wall pivotally connected with the hood at one end, resilient means yieldably holding the movable wall in a clamping position for engaging the head of an animal and retaining the head in the hood, and a prop for holding the movable wall in an inoperative position moved to release the movable wall .by the head oi2 the animal when thrust into the hood.

8. rllhe structure of claim 7 having the prop pivotally connected with the free end portion or' said movable wall and extending between the wall and hood for engaging the hood and forcing the wall away trom the hood when the prop is swung to an operative position.

9. rlie structure oi' Claim 7 having the prop pivotally connected with the 'treepend portion of said movable wall and extending and f between the wall and hood for engaging the hood and forcing the wall away from the hood when the pr'opis swung to an operative position, the prop having` a handle extension extending trom its pivoted end for engagelow said gripping means ttor receiving the' head of an animal and extending along the back oi: the neck, a gripping wall ,pivotally connected with said hoodl engaging the i throat portion ot an animals head yieldably held in an operative position, a prop for holding said wall in an inoperative position pivotally connected with the wall and extending between the wall and hood ani moved to permit movement of the wall to a gripping position bv an animals head when thrust into the hood, a handle element `extending from the pivotedv end ot said prop kand moved to swing the prop to an operative position by engagement with the chest of an animal removed from the animal holder, and resilient means connected with said handle to yieldably hold lthe prop in an operative position.

ll. in animal holder comprising a frame, means 'for supporting the frame in an up right position. cross bars carried by said 'fi-aine and oiiset intermediate the width thereof to provide seats, a bar pivotallv connected with the lower end of said iframe ior vertical swinging movement and extending longitudinally of the trame and iosting in said seats and having its upper end releasablysecured, clamping elements for engaging the sides of an animal slidably mounted upon said cross bars upon opposite sides of said seats, springs upon said cross bars engaging said clamps and yieldably holding the same in an operative position, means carried bysaid frame above said clamps for engaging the rump portion ot an animal and holding the same against transverse movement. and head-holding means mounted upon the bar `beiow said clamps and adjustable longitudinally upon the bar. i

In testimony whereof l have hereunto set my hand.

CURTS A. CLARK. 

